Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Fair

18°F

-8°C

Humidity 45%
Wind Speed N 6 mph
Barometer 30.29 in (1025.7 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 9 Dec 4:54 am EST
Extended Forecast for

2 Miles NNW Monroeville NJ

  • Today

    Today: Sunny, with a high near 35. Calm wind becoming south around 5 mph in the afternoon.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Southwest wind 5 to 10 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then rain likely.  Increasing clouds, with a high near 45. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 10pm.  Mostly cloudy, with a low around 31. West wind 10 to 15 mph.  Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. West wind around 15 mph, with gusts as high as 25 mph.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 35. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 27. Southwest wind 5 to 10 mph.
Wednesday
A chance of rain and snow before 10am, then rain likely. Increasing clouds, with a high near 45. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 31. West wind 10 to 15 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 39. West wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 38.
Friday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 40.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 16.
Monday
Mostly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Monroeville NJ
 39.67°N 75.18°W (Elev. 98 ft)
5:46 am EST Dec 9, 2025
5am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database